Lowest score below par after 54 holes in a golf PGA Tour event

The lowest score below par after 54 holes in a PGA Tour event is -27, by Patrick Reed (USA) during the 2014 Humana Challenge on the PGA West course in La Quinta, California, USA, on 16–18 January 2014. Reed shot three consecutive 63 rounds in the opening three days to put himself 27 under par. He eventually won by just two shots with his final round score only 71 (1 under par).

Reed received a phone call from former US President Bill Clinton to congratulate him on his record. The tournament is held in partnership with the Clinton Foundation.